Reagent Grade Potassium Nitrate
High-purity potassium nitrate suitable for laboratory reagents and chemical analysis. Classified under HTS 2834.21.00.00 as a nitrate of potassium meeting chemically defined criteria in Chapter 28 Note 1.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagents prepared for lab use
Prepared diagnostic or lab reagents containing nitrates classify in 3822, not as pure inorganic salts.
If diammonium phosphate-potassium nitrate blend
Fertilizer mixtures with >10% nitrogen from such salts fall under Chapter 31 heading 3105.
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Import Tips & Compliance
• Include lab analysis certificate showing >99% purity; declare for non-explosive lab use to expedite clearance; watch for dual-use export controls from origin country
Related Products under HTS 2834.21.00.00
Potassium Nitrate Crystals
Pure potassium nitrate (KNO3) in crystalline form, a chemically defined inorganic salt used primarily as a fertilizer and in pyrotechnics. It falls under HTS 2834.21.00.00 as a nitrate of potassium, distinct from ammonium or other metal nitrates.
Technical Grade Potassium Nitrate Powder
Powdered potassium nitrate for industrial applications like glass manufacturing and heat transfer salts. It is a potassium nitrate under HTS 2834.21.00.00, chemically defined per Chapter notes.
Potassium Nitrate Prills for Fireworks
Prilled potassium nitrate used as an oxidizer component in pyrotechnic compositions. Falls under HTS 2834.21.00.00 as pure potassium nitrate, not a prepared explosive.
Food Grade Potassium Nitrate
Purified potassium nitrate approved as E252 curing agent for preserved meats. Classified in HTS 2834.21.00.00 as chemically defined potassium nitrate, not a food preparation.
Potassium Nitrate Flakes for Glass Production
Flake-form potassium nitrate serving as flux in specialty glass manufacturing. It is a nitrate of potassium under HTS 2834.21.00.00, meeting inorganic salt definitions.
Laboratory Potassium Nitrate Solution 30%
30% aqueous solution of potassium nitrate for analytical and calibration purposes. Still classified under HTS 2834.21.00.00 as chemically defined nitrate, provided concentration specified.